/Engine/Source/Developer/DeveloperToolSettings/Classes/Settings/PlatformsMenuSettings.h
Get and set the per-platform build config and targetplatform settings for the Turnkey/Launch on menu
[EProjectPackagingBuildConfigurations](API\Developer\DeveloperToolSettings\Settings\EProjectPackagingBuildConfigurat-) GetBuildConfigurationForPlatform ( [FName](API\Runtime\Core\UObject\FName) PlatformName ) const